Adjustable auger



Cil

nutren stares PATENT OFFICE.

`NIC-K MASTERS. OF VIYTT, WEST VlRGINIiA.

ADJUSTABLE AUGER.

miese-e.

Specification of Letters Patent.

Patented4 Mar. 21, 192.2.

Application filed November 2'?, 1920.. Serial No. 426,857.

-used advantageously for 'rence post hole chilling; or boring.

The pril'nary object olf the invention. is to provide a device ol the above nature, which embodies an adjustably mounted hit or drill rod, wh ich may be used ttor boring horizontally.y vertically, or at any angle.

Another important object of' the invention to provide in combination, a bit or drill har or rod which is adjustably mounted l'or operation at any angle, and means tor rotating;- the drill bar as well as forcibly feeding the same into its Work.

Other objects and advantages of the invention will become apparent during' the course ot the 'following description.

ln the a,ccompanyingl drawings ilorininn a part o'l' the application, and wherein likey numerals are employed to designate li parts throughout the several. views. i

Figure l is a side elevation of the device. Figure 2 is a transverse section through the same, taken on the `line 2 2 ol Figure L and n Figure .il is a transverse horizontal section taken on the line 3--8 of Figure 9..

Referring;` to the accompanying drau'iugfs wherein Yfor the purpose ot illustration is shown the preferred embodiment ot' my invention, the numeral l designates the supportingv trame in its entirety.y and which consists ol a base 5 having a central aperture 6 therein for a purpose which will be presently described. Rising from opposite ends ol" the rectangular base are standards.

' suitably supported to insure rigidness thereto.

A horizontally disposed. shaft 8 has its opposite ends journaled inthe standards 7,V

and one end of the shaft is extended beyond one standard whereby a crank or other suitahle means may be applied thereto for transmitting movement to the shaft. An auxiliary drill har supporting frame 9 consists of an arched :member having its ends termed.

into collars 10 through which extends the shaft S-Whereby the auxiliary Jframe 9 is .loosely mounted thereon and capahle ot sivn'iging entirely around the shaft 8. as a renter. lt will oli course be obvious that any suitable means may be provided it desired. forretaining the auxiliary frame disposed centrally upon the shalt, and spaced lrom the standards 7. ln its normal position, this trame hangs from or depends from the shaft 8, as clearly seen in Figure 1. Ain internally threaded sleeve llopen at both ends is connectedto one side of the vmedial portion olf the arch forming a part oi the auxiliary trame and is preferably -termed as un integral part thereof.' The sleeve adjacent its'opposite end is secured'to the side ot a collar l2, as best seen in Figure 2, which collar is loosely mounted upon the shaft t3 equi-distant hetiveen the collars l() forming' parts ot vthe auxiliary trame 9. y

A drill bar 13 is externally screw threaded and adiugted to extend longitudinally through the sleeve 11 to co-operate with the interior tlnjeads'thereot. The drill bar is .provided with a longitudinally extending proc'iveV las best seen in Figures 2 and 3; `for a purpose Which YWill be presently described. The lower end ot this drill bar extends below the lower end ot the sleeve l1 and is there providedwith suitable chuck 'lil A'for the. reception ol.3 one end oit a drill hit lo. il. set screw 17 or other pivotal means ure provided upon the chuck tor detachably retaining the drill bit in engagement therewith.

The means l provide for rotating the drill bur l-l, und forcibly feeding the sume so that the drill bit ivill be forcibly :ted vinto its work. consists oi a relatively large gear 18 keyed to the shaft S between one collar 10 and the collar 12, and which is adapted for meshing` engagement with a smaller gear 19. This smaller gear has its central opening or bore equipped with an inwardly extendinte tongue or lug 20 adapted to ride Within the longitudinally extending groove 14 of the threaded drill bar. As best seen in Figure 2, the gear 19 is disposed horizontally and has 4the drill bar 13 extending the gear 18 will be similarly actuated thereby imparting rotation to the smaller gear 19 through their meshing engagement. Rotation of the smaller gear 19 will cause rotation of the threaded drill bar 13, the drill bit 16and due to the tongue 20 of the small gear extendingV into the groove 14C in the threaded drill. bar, the latter will be caused to positively move from one end of the sleeve 11 tothe other, according to the direction of rotation of the shaft 8. Consequently, the drill bit-.will be forcibly rotated and forcibly fed into its work, and when adapted for boring fence post holes, it will pass down through the opening 6 in the base' and worm its way into the ground to consummate the formation of the post hole.

However, when the invention is adapted for operation upon various materials, such as wood, metal and thelilre, which work is arranged, say for instance, in a vertical plane to one side of the shaft 8, it will be seen that the auxiliary frame 9 may be swung to a horizontal position to similarly dispose the drill-bar 13 which will cause the relatively small gear 19'to roll around the gear 18 until the former is disposedV vertically. The drill-bit 16 will then be in position to operate upon work vertically disposed and upon rotation of the shaft 8 will be rotated and forcibly fed into its work.V

From the construction heretofore set forth, it will be obvious that the collars 10 of the auxiliary frame may or may not be provided with means for preventing the auxiliary frame from moving longitudinally of the shaft 8 so that it will be optional with the operator as to whether it is desired to permit the shaft to move in this direction or not. However, when such movement of the auxiliary frame relative to the shaft 8 'is desired, the relatively large gear 18 will be slidably associated with the shaft yet connected thereto in such a manner that it will rotate with the shaft, so that the auxiliary frame and gear 18 may be moved from one end of the shaft to the other. Consequently,

the drill-bar 13 besides being capable of rotation about the shaft 8 as a center, may be also adjusted longitudinally of this shaft, or in other words, laterally of the plane in which the drill-bar is capable of movement.

The foregoing description and accompanying drawings have reference to what might be considered to be the approved or preferred form of my invention. I desire it to be understood that I` may make such changes in the construction, combination and arrangement of parts, materials, dimensions, et cetera, as may prove expedient andfall within the scope ofthe appended claims.

Having thus fully described my invention, what l claim as new and desire to secure by Letters Patent is 1. An adjustable auger, comprising in combination, 'a frame, a shaftmounted therein, an arch shaped auxiliary frame having its ends loosely connected to the shaft, an offset sleeve carried by the auxiliary frame, a drill bar mounted therein, and means for rotating and forcibly feeding the drill bar.

2. An adjustable auger, comprising in combination,` a frame, a shaft mounted therein, an auxiliary frame loosely mounted upon the shaft and being capable of swinging movement about the shaft as a center and slidable therealong, a drill bar carried by the frame, and means for rotating and forcibly feeding the drill bar.

' 3. An adjustable auger comprising in combination, a frame, a horizontally disposed rotatable shaft mounted thereon, an auxiliary frame loosely mounted upon the shaft and being capable of swinging movement about the shaft as a center, and a drill bar carried by the auxiliary frame and being rotated by the rotation of the shaft.

In testimony whereof I affix my signature in presence of two witnesses.'

NCK MASTERS.

Witnesses:

JAsG. KERNS, JOHN A. PAYNE.l 

